SE308742B - - Google Patents
Info
- Publication number
- SE308742B SE308742B SE11145/62A SE1114562A SE308742B SE 308742 B SE308742 B SE 308742B SE 11145/62 A SE11145/62 A SE 11145/62A SE 1114562 A SE1114562 A SE 1114562A SE 308742 B SE308742 B SE 308742B
- Authority
- SE
- Sweden
- Prior art keywords
- stage
- circuit
- tuned
- base
- transistor
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 abstract 2
- 238000009499 grossing Methods 0.000 abstract 2
- 238000004804 winding Methods 0.000 abstract 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000003111 delayed effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
- H03D3/14—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of semiconductor devices having more than two electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US145833A US3172040A (en) | 1961-10-18 | 1961-10-18 | Am/fm receiver having automatic gain control |
Publications (1)
Publication Number | Publication Date |
---|---|
SE308742B true SE308742B (fr) | 1969-02-24 |
Family
ID=22514766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE11145/62A SE308742B (fr) | 1961-10-18 | 1962-10-17 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3172040A (fr) |
BE (1) | BE623643A (fr) |
DE (1) | DE1201424B (fr) |
FR (1) | FR1337030A (fr) |
GB (1) | GB989860A (fr) |
NL (1) | NL284427A (fr) |
SE (1) | SE308742B (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3287644A (en) * | 1963-05-20 | 1966-11-22 | Zenith Radio Corp | Automatic gain controlled plural wave band radio receiver |
US3289088A (en) * | 1963-05-29 | 1966-11-29 | Gerald M Berger | Automatic non-linear gain control circuit |
US3389338A (en) * | 1964-11-24 | 1968-06-18 | Bendix Corp | Simplified band switching for fm-am receiver |
US3457513A (en) * | 1965-10-11 | 1969-07-22 | Avco Corp | Multi-purpose receiver with single detector for demodulating a plurality of types of signals |
US3382440A (en) * | 1966-10-10 | 1968-05-07 | William T. Turner | Apparatus for automatically converting a radio receiver to an fm or vhf receiver |
US3528013A (en) * | 1967-09-25 | 1970-09-08 | Zenith Radio Corp | Dual frequency intermediate-frequency coupling circuit |
US3679979A (en) * | 1969-06-26 | 1972-07-25 | Sarkes Tarzian | Am, fm, and fm stereo tuner having simplified am to fm switching means |
GB1284007A (en) * | 1969-09-17 | 1972-08-02 | Matsushita Electric Ind Co Ltd | Am-fm radio receiver |
US4050022A (en) * | 1975-10-20 | 1977-09-20 | General Electric Company | AM-FM receiver having improved mode conversion |
US4150336A (en) * | 1978-01-06 | 1979-04-17 | Quadracast Systems, Inc. | AM/FM Intermediate frequency gain stage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA448851A (fr) * | 1948-06-01 | Wentz Huff John | Recepteur combine pour la reception d'ondes a amplitude modulee ou a frequence modulee | |
BE514215A (fr) * | 1951-09-17 | |||
US2709748A (en) * | 1952-08-16 | 1955-05-31 | Westinghouse Electric Corp | Radio detector apparatus |
-
0
- BE BE623643D patent/BE623643A/xx unknown
- NL NL284427D patent/NL284427A/xx unknown
-
1961
- 1961-10-18 US US145833A patent/US3172040A/en not_active Expired - Lifetime
-
1962
- 1962-10-02 GB GB37398/62A patent/GB989860A/en not_active Expired
- 1962-10-17 DE DER33700A patent/DE1201424B/de active Pending
- 1962-10-17 SE SE11145/62A patent/SE308742B/xx unknown
- 1962-10-17 FR FR912520A patent/FR1337030A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE623643A (fr) | |
FR1337030A (fr) | 1963-09-06 |
US3172040A (en) | 1965-03-02 |
NL284427A (fr) | |
GB989860A (en) | 1965-04-22 |
DE1201424B (de) | 1965-09-23 |
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